1206885 has 16 divisors (see below), whose sum is σ = 1964160. Its totient is φ = 632640.

The previous prime is 1206869. The next prime is 1206941. The reversal of 1206885 is 5886021.

It is not a de Polignac number, because 1206885 - 2⁴ = 1206869 is a prime.

It is a Curzon number.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (122760).

2^1206885 is an apocalyptic number.

1206885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1206885 is a deficient number, since it is larger than the sum of its proper divisors (757275).

1206885 is a wasteful number, since it uses less digits than its factorization.

1206885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1206885 is about 1098.5831784621. The cubic root of 1206885 is about 106.4687029199.

The spelling of 1206885 in words is "one million, two hundred six thousand, eight hundred eighty-five".